Top quality, admired. Really hot shit. So good your shit even smells good.

A person who thinks they are “all that” believes they people should buy them lunch and open doors for them. They think they are so hot and sophisicated that they can attract anybody.

In the old days we'd have a saying for women who thought they were "all that" -------- Miss Fine Thang. The whole block would be in on it -- little kids would follow her down the street ridiculing her "Oh my, you walk SO FINE".

Meaning that one is on the top of their game. Also means that a person thinks they are the coolest, most badass person in the world. Most often it is only an opinion of the person. Often times the person who thinks they are "all that" is the only person who thinks they are.

Popular Nickelodeon show from the 90s, having such stars as Kenan Thomson(who is now on Saturday Night Live), Amanda Bynes, Kel Michel, and Lori Beth Dinburg. They're still making new episodes, but they're not as good as the orignal, but they are good.